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#4844 · 🐌 snails, slugs & other molluscs

Southern Flat Oyster

Ostrea angasi

Southern Flat Oyster, photo 1 of 10
1/10 © Josie Jones · CC BY-NC 4.0

what is it?

The southern mud oyster , Australian flat oyster , native flat oyster , or angasi oyster ( Ostrea angasi ), is endemic to southern Australia, ranging from Western Australia to southeast New South Wales and around Tasmania.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 6,953iNaturalist observations

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 6,953 observations worldwide on iNaturalist.

fact sheet

English
Southern Flat Oyster
scientific name
Ostrea angasi
class
Bivalvia
order
Ostreida
family
Ostreidae
sightings in NL
0
sightings worldwide
6,953
GBIF records in NL
0
weight
—
length
—
lifespan
—

relatives· Ostreidae

Sources: iNaturalist taxon 566644, Wikidata Q7107731, GBIF 4373348, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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